Koumi-jima Shuu 7 De Umeru -

Koumi-jima, a serene and previously uninhabited island located in a remote archipelago.

. However, the local male population has suffered from genetic deterioration due to generations of endogamy (inbreeding), leading to a crisis where the women can no longer successfully conceive. Seiichi is brought to the island to serve as the "head inseminator" to help restore the population's genetic health. The Movie Database Key Characters Seiichi Ozaki koumi-jima shuu 7 de umeru

以下は主に「仮定A（離島でのフィールドワーク／清掃活動）」を中心に据えつつ、仮定B・C向けの応用・補足を最後に加えた詳細記事です。 a manga title

If you meant something more specific (a game mechanic, a manga title, a ritual), let me know and I’ll adjust the tone or format. koumi-jima shuu 7 de umeru